import a_模块
import b_模块 as Big_Camel  # 要符合大驼峰命名
from c_模块 import model  # from...import 的用法

a_模块.say_hell()
Big_Camel.say_hi()

dog = a_模块.Dog()
xiao_gou = Big_Camel.Cat()

print(model)
